Search a number
-
+
7942916 = 221985729
BaseRepresentation
bin11110010011001100000100
3112221112122002
4132103030010
54013133131
6442124432
7124341122
oct36231404
915845562
107942916
1145356a3
1227b0718
131851467
1410aa912
15a6d6cb
hex793304

7942916 has 6 divisors (see below), whose sum is σ = 13900110. Its totient is φ = 3971456.

The previous prime is 7942903. The next prime is 7942919. The reversal of 7942916 is 6192497.

It can be written as a sum of positive squares in only one way, i.e., 5982916 + 1960000 = 2446^2 + 1400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7942916.

It is not an unprimeable number, because it can be changed into a prime (7942919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992861 + ... + 992868.

It is an arithmetic number, because the mean of its divisors is an integer number (2316685).

Almost surely, 27942916 is an apocalyptic number.

It is an amenable number.

7942916 is a deficient number, since it is larger than the sum of its proper divisors (5957194).

7942916 is a wasteful number, since it uses less digits than its factorization.

7942916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985733 (or 1985731 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 7942916 is about 2818.3179380616. The cubic root of 7942916 is about 199.5231640408.

The spelling of 7942916 in words is "seven million, nine hundred forty-two thousand, nine hundred sixteen".

Divisors: 1 2 4 1985729 3971458 7942916